Microsoft today announced the release of Office 2008 for Mac 12.1.2 and Office 2004 for Mac 11.5.1. According to the company, the updates contain several improvements to enhance stability and performance. They also fix vulnerabilities that an attacker can use to overwrite the contents of your computer's memory with malicious code. Office 2008 for Mac 12.1.2 requires Mac OS X 10.4.9 or later. You can learn more about this update here. Office 2004 for Mac 11.5.1 requires Mac OS X 10.2.8 or later. More information about this update can be found here.